text: # This Python file uses the following encoding: utf-8
  """autogenerated by genpy from piksi_rtk_msgs/TrackingState_V2_2_15.msg. Do not edit."""
  import sys
  python3 = True if sys.hexversion > 0x03000000 else False
  import genpy
  import struct
  
  import std_msgs.msg
  
  class TrackingState_V2_2_15(genpy.Message):
    _md5sum = "c4a3230511f04a1758af69745f57a25c"
    _type = "piksi_rtk_msgs/TrackingState_V2_2_15"
    _has_header = True #flag to mark the presence of a Header object
    _full_text = """# The tracking message returns a variable-length array of tracking channel states. It reports status and
  # carrier-to-noise density measurements for all tracked satellites.
  
  # Message definition based on libsbp v2.2.15
  
  Header header
  
  uint8[] sat     # Constellation-specific satellite identifier.
  uint8[] code    # Signal constellation, band and code.
  uint8[] fcn     # Frequency channel number (GLONASS only).
  uint8[] cn0     # Carrier-to-Noise density. Zero implies invalid cn0 [dB Hz / 4].
  
  ================================================================================
  MSG: std_msgs/Header
  # Standard metadata for higher-level stamped data types.
  # This is generally used to communicate timestamped data 
  # in a particular coordinate frame.
  # 
  # sequence ID: consecutively increasing ID 
  uint32 seq
  #Two-integer timestamp that is expressed as:
  # * stamp.sec: seconds (stamp_secs) since epoch (in Python the variable is called 'secs')
  # * stamp.nsec: nanoseconds since stamp_secs (in Python the variable is called 'nsecs')
  # time-handling sugar is provided by the client library
  time stamp
  #Frame this data is associated with
  # 0: no frame
  # 1: global frame
  string frame_id
  """
    __slots__ = ['header','sat','code','fcn','cn0']
    _slot_types = ['std_msgs/Header','uint8[]','uint8[]','uint8[]','uint8[]']
  
    def __init__(self, *args, **kwds):
      """
      Constructor. Any message fields that are implicitly/explicitly
      set to None will be assigned a default value. The recommend
      use is keyword arguments as this is more robust to future message
      changes.  You cannot mix in-order arguments and keyword arguments.
  
      The available fields are:
         header,sat,code,fcn,cn0
  
      :param args: complete set of field values, in .msg order
      :param kwds: use keyword arguments corresponding to message field names
      to set specific fields.
      """
      if args or kwds:
        super(TrackingState_V2_2_15, self).__init__(*args, **kwds)
        #message fields cannot be None, assign default values for those that are
        if self.header is None:
          self.header = std_msgs.msg.Header()
        if self.sat is None:
          self.sat = b''
        if self.code is None:
          self.code = b''
        if self.fcn is None:
          self.fcn = b''
        if self.cn0 is None:
          self.cn0 = b''
      else:
        self.header = std_msgs.msg.Header()
        self.sat = b''
        self.code = b''
        self.fcn = b''
        self.cn0 = b''
  
    def _get_types(self):
      """
      internal API method
      """
      return self._slot_types
  
    def serialize(self, buff):
      """
      serialize message into buffer
      :param buff: buffer, ``StringIO``
      """
      try:
        _x = self
        buff.write(_get_struct_3I().pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs))
        _x = self.header.frame_id
        length = len(_x)
        if python3 or type(_x) == unicode:
          _x = _x.encode('utf-8')
          length = len(_x)
        buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = self.sat
        length = len(_x)
        # - if encoded as a list instead, serialize as bytes instead of string
        if type(_x) in [list, tuple]:
          buff.write(struct.pack('<I%sB'%length, length, *_x))
        else:
          buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = self.code
        length = len(_x)
        # - if encoded as a list instead, serialize as bytes instead of string
        if type(_x) in [list, tuple]:
          buff.write(struct.pack('<I%sB'%length, length, *_x))
        else:
          buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = self.fcn
        length = len(_x)
        # - if encoded as a list instead, serialize as bytes instead of string
        if type(_x) in [list, tuple]:
          buff.write(struct.pack('<I%sB'%length, length, *_x))
        else:
          buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = self.cn0
        length = len(_x)
        # - if encoded as a list instead, serialize as bytes instead of string
        if type(_x) in [list, tuple]:
          buff.write(struct.pack('<I%sB'%length, length, *_x))
        else:
          buff.write(struct.pack('<I%ss'%length, length, _x))
      except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(locals().get('_x', self)))))
      except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(locals().get('_x', self)))))
  
    def deserialize(self, str):
      """
      unpack serialized message in str into this message instance
      :param str: byte array of serialized message, ``str``
      """
      try:
        if self.header is None:
          self.header = std_msgs.msg.Header()
        end = 0
        _x = self
        start = end
        end += 12
        (_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _get_struct_3I().unpack(str[start:end])
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        if python3:
          self.header.frame_id = str[start:end].decode('utf-8')
        else:
          self.header.frame_id = str[start:end]
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        self.sat = str[start:end]
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        self.code = str[start:end]
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        self.fcn = str[start:end]
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        self.cn0 = str[start:end]
        return self
      except struct.error as e:
        raise genpy.DeserializationError(e) #most likely buffer underfill
  
  
    def serialize_numpy(self, buff, numpy):
      """
      serialize message with numpy array types into buffer
      :param buff: buffer, ``StringIO``
      :param numpy: numpy python module
      """
      try:
        _x = self
        buff.write(_get_struct_3I().pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs))
        _x = self.header.frame_id
        length = len(_x)
        if python3 or type(_x) == unicode:
          _x = _x.encode('utf-8')
          length = len(_x)
        buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = self.sat
        length = len(_x)
        # - if encoded as a list instead, serialize as bytes instead of string
        if type(_x) in [list, tuple]:
          buff.write(struct.pack('<I%sB'%length, length, *_x))
        else:
          buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = self.code
        length = len(_x)
        # - if encoded as a list instead, serialize as bytes instead of string
        if type(_x) in [list, tuple]:
          buff.write(struct.pack('<I%sB'%length, length, *_x))
        else:
          buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = self.fcn
        length = len(_x)
        # - if encoded as a list instead, serialize as bytes instead of string
        if type(_x) in [list, tuple]:
          buff.write(struct.pack('<I%sB'%length, length, *_x))
        else:
          buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = self.cn0
        length = len(_x)
        # - if encoded as a list instead, serialize as bytes instead of string
        if type(_x) in [list, tuple]:
          buff.write(struct.pack('<I%sB'%length, length, *_x))
        else:
          buff.write(struct.pack('<I%ss'%length, length, _x))
      except struct.error as se: self._check_types(struct.error("%s: '%s' when writing '%s'" % (type(se), str(se), str(locals().get('_x', self)))))
      except TypeError as te: self._check_types(ValueError("%s: '%s' when writing '%s'" % (type(te), str(te), str(locals().get('_x', self)))))
  
    def deserialize_numpy(self, str, numpy):
      """
      unpack serialized message in str into this message instance using numpy for array types
      :param str: byte array of serialized message, ``str``
      :param numpy: numpy python module
      """
      try:
        if self.header is None:
          self.header = std_msgs.msg.Header()
        end = 0
        _x = self
        start = end
        end += 12
        (_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _get_struct_3I().unpack(str[start:end])
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        if python3:
          self.header.frame_id = str[start:end].decode('utf-8')
        else:
          self.header.frame_id = str[start:end]
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        self.sat = str[start:end]
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        self.code = str[start:end]
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        self.fcn = str[start:end]
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        self.cn0 = str[start:end]
        return self
      except struct.error as e:
        raise genpy.DeserializationError(e) #most likely buffer underfill
  
  _struct_I = genpy.struct_I
  def _get_struct_I():
      global _struct_I
      return _struct_I
  _struct_3I = None
  def _get_struct_3I():
      global _struct_3I
      if _struct_3I is None:
          _struct_3I = struct.Struct("<3I")
      return _struct_3I
  